List all tournaments or create a new tournament.

GET /api/v1/tournaments/?ordering=-subsequent_pairing_method&page=5931
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59895,
    "next": "https://online-go.com/api/v1/tournaments/?ordering=-subsequent_pairing_method&page=5932",
    "previous": "https://online-go.com/api/v1/tournaments/?ordering=-subsequent_pairing_method&page=5930",
    "results": [
        {
            "id": 13962,
            "name": "Correspondence 13x13 RoundRobin 2016-01-16 have fun ! #1",
            "director": {
                "id": 109444,
                "username": "VPshunt",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/70c797283afa9d1b71a708763c8c6051-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1703.9681645981816,
                        "deviation": 64.16663281633048,
                        "volatility": 0.059838863578554974
                    }
                },
                "ranking": 27.254883037419365,
                "professional": false,
                "ui_class": ""
            },
            "description": "Roundrobin 13x13",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 873,
                "name": "楽碁倶楽部(Rakugo Club)",
                "summary": "碁は楽しまないとね",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2016-01-16T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-01-16T13:00:44.441511Z",
            "ended": "2016-02-03T19:10:44.752418Z",
            "start_waiting": "2016-01-16T13:00:43.959116Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 94597,
            "name": "ปวช.3/10 (14 ก.ย. 65)",
            "director": {
                "id": 1010331,
                "username": "PomSii",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/aa13948ef4fee733d9d956be746af4af?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1528.2940953430661,
                        "deviation": 69.12209408595301,
                        "volatility": 0.060086127774657355
                    }
                },
                "ranking": 24.735987039854813,
                "professional": false,
                "ui_class": ""
            },
            "description": "ปวช.3/10 (14 ก.ย. 65)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 7,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 240,
                "period_time": 5,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11950,
                "name": "ปวช.3/1, 3/3, 3/4, 3/10, 3/11, 3/12 (66\")",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-14T01:25:09.161413Z",
            "ended": "2022-09-14T01:49:06.110462Z",
            "start_waiting": "2022-09-14T01:25:09.000777Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 94598,
            "name": "ปวช.3/10 (14 ก.ย. 65) กลุ่ม 2",
            "director": {
                "id": 1010331,
                "username": "PomSii",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/aa13948ef4fee733d9d956be746af4af?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1528.2940953430661,
                        "deviation": 69.12209408595301,
                        "volatility": 0.060086127774657355
                    }
                },
                "ranking": 24.735987039854813,
                "professional": false,
                "ui_class": ""
            },
            "description": "ปวช.3/10 (14 ก.ย. 65)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 7,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 5,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11950,
                "name": "ปวช.3/1, 3/3, 3/4, 3/10, 3/11, 3/12 (66\")",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-14T01:37:23.473063Z",
            "ended": "2022-09-14T01:53:16.696048Z",
            "start_waiting": "2022-09-14T01:37:23.328107Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 136137,
            "name": "13x13 Open D.E. Cup #87",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1345.474647764824,
                        "deviation": 70.70443013445312,
                        "volatility": 0.06020904242046195
                    }
                },
                "ranking": 21.78655447838191,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 76,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-18T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-18T01:44:44.365652Z",
            "ended": null,
            "start_waiting": "2026-01-18T01:44:44.217347Z",
            "board_size": 13,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 45048,
            "name": "ქართველების ტურნირი",
            "director": {
                "id": 21742,
                "username": "დათო",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2188.217274395995,
                        "deviation": 97.40479902700517,
                        "volatility": 0.06013689069472163
                    }
                },
                "ranking": 33.04533320130458,
                "professional": false,
                "ui_class": ""
            },
            "description": "გავარდნა ორ წაგებაზე",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 60,
            "time_control_parameters": {
                "period_time": 60,
                "main_time": 60,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 268,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-27T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-01-27T18:00:57.265268Z",
            "ended": "2019-01-27T19:02:50.175581Z",
            "start_waiting": "2019-01-27T18:00:56.395758Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 94538,
            "name": "Chess team selection 2022-23 (Go)",
            "director": {
                "id": 1052253,
                "username": "deleted-dc56f84a-d2f2-4d2a-9a58-ff17863da87a",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/f78d147a527ca1f3385685a67a92078d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2207.8632842597904,
                        "deviation": 64.95243623288472,
                        "volatility": 0.06008614594940232
                    }
                },
                "ranking": 33.252248497817156,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good luck!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12267,
                "name": "Chess team selection 2022-23 (Go)",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 12,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T06:44:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-14T06:44:55.738403Z",
            "ended": "2022-09-14T07:43:58.105944Z",
            "start_waiting": "2022-09-14T06:44:55.583386Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 14232,
            "name": "SomethingAwful Securities Cup 2016",
            "director": {
                "id": 310,
                "username": "oiseaux",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/919391c05ac7625c06237707076602ea-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1159.490357854699,
                        "deviation": 60.6370996529478,
                        "volatility": 0.06011397420678643
                    }
                },
                "ranking": 18.342614937431414,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "FREE +25% XP WEEKEND",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8,
                "name": "SA",
                "summary": "All Power to the People (and sugoi animes)\n\nWant in?  Post in thread!",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-01-25T10:07:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2016-01-25T10:07:56.818882Z",
            "ended": "2016-07-11T15:54:50.127861Z",
            "start_waiting": "2016-01-25T10:07:56.695176Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 124996,
            "name": "9x9 Open D.E. Cup #167",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1345.474647764824,
                        "deviation": 70.70443013445312,
                        "volatility": 0.06020904242046195
                    }
                },
                "ranking": 21.78655447838191,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 704,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-02-09T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-06T13:34:03.911624Z",
            "ended": "2025-05-10T09:00:34.613371Z",
            "start_waiting": "2025-02-06T13:34:03.765540Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 126938,
            "name": "9x9 Open D.E. Cup #174",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1345.474647764824,
                        "deviation": 70.70443013445312,
                        "volatility": 0.06020904242046195
                    }
                },
                "ranking": 21.78655447838191,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 704,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-04-06T19:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-02T11:40:43.836512Z",
            "ended": "2025-08-01T18:24:28.824163Z",
            "start_waiting": "2025-04-02T11:40:43.703146Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 94606,
            "name": "Chess team selection",
            "director": {
                "id": 1052253,
                "username": "deleted-dc56f84a-d2f2-4d2a-9a58-ff17863da87a",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/f78d147a527ca1f3385685a67a92078d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2207.8632842597904,
                        "deviation": 64.95243623288472,
                        "volatility": 0.06008614594940232
                    }
                },
                "ranking": 33.252248497817156,
                "professional": false,
                "ui_class": ""
            },
            "description": "Gd luck",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12267,
                "name": "Chess team selection 2022-23 (Go)",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 12,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T07:06:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-14T07:05:35.972381Z",
            "ended": "2022-09-14T09:07:42.894612Z",
            "start_waiting": "2022-09-14T07:05:35.851984Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        }
    ]
}